<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        var age = prompt("请输入你的年龄")
        var sex = prompt("请输入你的性别")
        var job = prompt("请输入你的职业")
        alert("您好\n您的年龄为" + age + "\n职业为" + job + "\n性别为" + sex)
    </script>
</body>

</html>